new, high-quality materials, well-made, durable, and highly matched with the equipment. Clean accessories keep your home robot performing at its best. The filter can maintain the cleaning performance of the sweeper, while reducing the penetration of dust, pollen and other allergens into the air you breathe The powerful cleaning function makes household cleaning more time-saving and labor-saving. It is suitable for a of floors such as ceramic tiles, marble, and wood floors. In order to achieve the best cleaning and filtering effect, cleaning accessories should be replaced every 2-3 months according to the frequency of use. Model:for Deeboot T20 / T20 , T20 Max / T20 Pro Robot Vacuum Cleaner Type:Vacuum Cleaner Accessories Application:Wooden Floor, Ceramic Tile, Marble, Etc Applicable Occasions:Living Room, Bedroom, Kitchen, Etc Colour:As Shown Material:plastic Package Contents: 12 * Hepa Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.